Methods Serum free cells suspension culture and single cell cloning technique were used to isolate neuroepithelial stem cells.

方法利用无血清悬浮培养、单细胞克隆技术分离神经上皮干细胞；

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The loose callus were choosed and transfered into fluid suspension culture, free cells and cell aggregate were obtained.

选择较松散的愈伤组织转入液体悬浮培养，获得游离细胞和细胞聚集体。

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Rheological properties of simulated plant cell suspension culture systems are studied systematically through the experiment with granulated agar that replaces plant cells.

用颗粒状琼脂代替植物细胞从实验上系统研究了模拟植物细胞悬浮培养体系的流变特性。

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